diff --git a/include/alpaka/dev/Traits.hpp b/include/alpaka/dev/Traits.hpp
index 096ce5bb3a7e..898c2eb7b23e 100644
--- a/include/alpaka/dev/Traits.hpp
+++ b/include/alpaka/dev/Traits.hpp
@@ -61,7 +61,7 @@ namespace alpaka
 
     //! True if TDev is a device, i.e. if it implements the ConceptDev concept.
     template<typename TDev>
-    inline constexpr bool isDevice = concepts::ImplementsConcept<ConceptDev, TDev>::value;
+    inline constexpr bool isDevice = concepts::ImplementsConcept<ConceptDev, std::remove_cv_t<TDev>>::value;
 
     //! \return The device this object is bound to.
     template<typename T>
diff --git a/include/alpaka/queue/Traits.hpp b/include/alpaka/queue/Traits.hpp
index d207d92d826a..e8a92bdb081c 100644
--- a/include/alpaka/queue/Traits.hpp
+++ b/include/alpaka/queue/Traits.hpp
@@ -17,7 +17,7 @@ namespace alpaka
 
     //! True if TQueue is a queue, i.e. if it implements the ConceptQueue concept.
     template<typename TQueue>
-    inline constexpr bool isQueue = concepts::ImplementsConcept<ConceptQueue, TQueue>::value;
+    inline constexpr bool isQueue = concepts::ImplementsConcept<ConceptQueue, std::remove_cv_t<TQueue>>::value;
 
     //! The queue traits.
     namespace trait